Figure 6: Changing The 3120 Relay Logic Mode - Sensor Electronics SEC Millenium Series Instruction And Operation Manual

Then choose the Modbus Settings Menu:
Network Top Menu
NETWORK ID MENU
* MODBUS SETTINGS
PREVIOUS MENU
Then highlight the Sensors Item and activate enter:
Modbus Settings Menu 1
↑ONLINE
* SENSORS
NET ID
↓485 BUS MENU
Modbus Settings Menu 2
↓PREVIOUS MENU
Activate the left/right up/down controls until "Unique" (for our example) is
shown. Notice the asterisk to the right of the mode- this indicates the value that is
changing and that the up/down controls now effect choosing a value up/down. When the
correct choice shows, active enter again and the asterisk to the right will disappear. Scroll
down the menu and choose "Previous Menu" to back out of the Modus Settings menu,
then choose "Previous Menu" to exit the Network Menu (which will bring up the Save or
Abort confirmation), then scroll down to and choose the "Previous Menu" item and exit
the Main Menu, then scroll down to "Exit" and press enter to return to the Main Status
Display.

Figure 6: Changing the 3120 Relay Logic Mode

After entering the menu system, choose the Main Menu:
Top Menu 1
↑EJECT MEMORY CARD
ABORT WARMUP
INFO MENU
*↓MAIN MENU
Top Menu 2
↑SEC DIAGNOSTICS
RESET RELAYS
FORMAT FLASH CARD
↓EXIT
SEC 3120 16-bit Modbus Manual
For Version 1.2 and above
YES
UNIQUE *
SINGLE
Page 14 Of 46
December 2012
Sensor Electronics Corporation
P/N 1580282, Rev. 1, 20121228